Optimal PLL loop Filter Design for Mobile WiMax Via LMI: Filters for mobile Wimaax system - Couverture souple

El-Khozondar, Hala; AlQuqa, Ayman; Elaydi, Hatem

 
9783845432014: Optimal PLL loop Filter Design for Mobile WiMax Via LMI: Filters for mobile Wimaax system
Couverture souple
ISBN 10 : 3845432012 ISBN 13 : 9783845432014
Editeur : LAP LAMBERT Academic Publishing, 2011

Synopsis

Achieving optimal design of phase-locked loop (PLL) is a major challenge in WiMax technology in order to improve system behavior against noise and to enhance Quality of Service (QOS). A new loop filter design method for phase locked loop (PLLs) is introduced taking into consideration various design objectives: small settling time, small overshoot and meeting Mobile WiMax requirements. Optimizing conflicting objectives is accomplished via linear programming and semidefinite programming (especially Linear Matrix Inequality (LMI)) in conjunction with appropriate adjustment of certain design parameters. Digital filters, Infinite Impulse Response (IIR) and Finite Impulse Response (FIR) are designed using linear programming and convex programming.Simulations show that IIR digital lowpass filter with narrow transition band could not work properly with mobile WiMax system. Simulations show that FIR digital lowpass filter utilizing linear programming managed to improve the transient behavior. The FIR digital lowpass filter utilizing semidefinite programming (LMI) will much improve the transient behavior; therefore it is recommended for mobile WiMax systems.

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Éditeur
LAP LAMBERT Academic Publishing
Date d'édition
2011
Langue
anglais
ISBN 10 
3845432012
ISBN 13 
9783845432014
Reliure
Broché
Nombre de pages
84
Coordonnées du fabricant
non disponible
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